def findDleseCollectionRecord(field, value):
"""
returns first DleseCollectRecord having the specified value for specified field
"""
dlese_collect_dir = os.path.join(dlese_records, 'dlese_collect', 'collect')
for filename in filter(lambda x: x.endswith('xml'),
os.listdir(dlese_collect_dir)):
path = os.path.join(dlese_collect_dir, filename)
rec = DleseCollectRecord(path=path)
if (rec.get(field) == value):
return rec
class DleseToNcsCollectTransform:
ncs_collect_template = '/Users/ostwald/devel/python/python-lib/uconn/ncs_collect_template.xml'
tmp_output_path = '/Users/ostwald/tmp/dlese_to_ncs_collect'
"""
field_mappings documentation
"""
field_mappings = [
# dlese_collect -> ncs_collect
'id', # we do id by hand
'description',
['collectionLocation', 'url'],
['fullTitle', 'title'],
['id', 'collSetSpec'],
['created', 'dateTime'], # involves a massage
'libraryFormat',
['key', 'oaiSetSpec']
]
def __init__(self, dcr_path, id=None):
self.initialized = False
self.dcr = DleseCollectRecord(path=dcr_path)
self.ncr = NCSCollectRecord(path=self.ncs_collect_template)
self.process_field_mappings()
self.injectContributors()
xmlFormat = self.dcr.get('libraryFormat')
if (xmlFormat == 'adn'):
self.ncr.addViewContext('DLESECollections')
self.ncr.set('metadataPrefix', 'nsdl_dc')
elif (xmlFormat == 'dlese_anno'):
self.ncr.addViewContext('DLESEAnnotations')
self.ncr.set('metadataPrefix', 'comm_anno')
if id:
self.ncr.setId(id)
#set the destination (ncr) path for writing
self.ncr.path = os.path.join(self.tmp_output_path,
self.ncr.getId() + '.xml')
self.initialized = True
def injectField(self, dcr_field, ncr_field=None):
if ncr_field is None:
ncr_field = dcr_field
# get value from dcr_field
try:
value = self.dcr.get(dcr_field)
if not value:
# msg = 'WARN: injectField - no value for "%s" in %s' % (dcr_field, self.dcr.getId())
# print msg
raise Exception, "no value in metadata"
except Exception, msg:
print "WARN ingest did NOT get value for %s at '%s': %s" % (
self.dcr.getId(), dcr_field, msg)
value = ""
# kludges for certain fields
if dcr_field == 'created':
value += 'T00:00:00Z'
if ncr_field == 'collSetSpec':
value = 'ncs-' + value
# inject value in ncr_field
try:
print 'setting "%s" at "%s"' % (value, ncr_field)
self.ncr.set(ncr_field, value)
except Exception, msg:
print "ERROR setting value at '%s': %s" % (ncr_field, msg)